Astro
Content-first web frameworkOpen source· verified Sep 2026
Renders pages to HTML at build or request time and ships no JavaScript unless a component opts in as an interactive island. Content collections give Markdown and MDX typed frontmatter.
Official siteReach for it when
- Blogs, docs, and marketing sites
- Sites that need near-zero JavaScript
- Mixing React, Vue, or Svelte components on one page
Worth knowing
The Astro team joined Cloudflare; the framework stays MIT-licensed.